11182889 has 8 divisors (see below), whose sum is σ = 11872008. Its totient is φ = 10497280.

The previous prime is 11182883. The next prime is 11182901. The reversal of 11182889 is 98828111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3003289 + 8179600 = 1733^2 + 2860^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11182889 - 2¹² = 11178793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11182883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8879 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (1484001).

Almost surely, 2^11182889 is an apocalyptic number.

It is an amenable number.

11182889 is a deficient number, since it is larger than the sum of its proper divisors (689119).

11182889 is a wasteful number, since it uses less digits than its factorization.

11182889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 9216, while the sum is 38.

The square root of 11182889 is about 3344.0826843845. The cubic root of 11182889 is about 223.6237905419.

The spelling of 11182889 in words is "eleven million, one hundred eighty-two thousand, eight hundred eighty-nine".